
Rory McIlroy entered Sunday's final round the Masters two strokes up on Bryson DeChambeau.
In looking to avenge last June's collapse vs. DeChambeau at the U.S. Open, he's also trying to become just the sixth golfer in history to complete a career Grand Slam. Ahead of Sunday's round, McIlroy told CBS's Amanda Balionis how he stayed calm ahead of his tee time: